Question: Applying Hypothesis Testing

For this discussion, answer the following questions:

• What is a null hypothesis?

• What is an alternative hypothesis?

Then articulate a null hypothesis and alternative hypothesis for a research study that pertains to your area of specialization.

• What conclusions can be drawn from this study with a "statistically significant" result?

Readings: Use your Warner text, Applied Statistics: From Bivariate Through Multivariate Techniques, to complete the following:

• Read Chapter 3, "Statistical Significance Testing," pages 81-124. This reading addresses the following topics:

i. The logic of null hypothesis testing.

ii. Type I and Type II errors.

iii. The z test.

iv. Null hypothesis and alternative hypothesis.

v. Limiting Type I error.

vi. Effect size.

vii. Statistical power.